(279, 280.)

_The thirty fifth_ Experiment, _of a suddain way of making a Blood red
Colour with Oyl of_ Vitriol, _and Oyl of_ Anniseeds, _two transparent
Liquors_ (280, 281.)

_The thirty sixth_ Experiment, _of the Degenerating of several Colours
exemplify'd in the last mention'd Blood red, and by Mr._ Parkinsons
_relation of_ Turnsol, _by some Trials with the Juice of Buck-thorn
Berries, and other Vegetables, to which several notable Considerations and
Advertisements back'd with_ Experiments _are adjoyn'd_ (from 281 to 288.)

_The thirty seventh_ Experiment, _Of Varying the Colour of the Tinctures
of_ Cochineel, _Red-cherries, and Brasil, with Acid and Sulphureous Salts,
and divers Considerations thereon_ (from 288 to 290.)

_The thirty eighth_ Experiment, _About the Red fumes of some, and White of
other distill'd Bodies, and of their Coalition for the most part into a
transparent Liquor_ (290, 291.) _And of the various Colours of dry
Sublimations, exemplify'd with several_ Experiments (292, 293, 294.)

_The thirty ninth_ Experiment, _Of Varying the Decoction of_ Balaustiums
_with Acid and Urinous Salts_ (294, 295.) _Some_ Annotations _wherein two_
Experiments _of_ Gassendus _are Related, Examined, and Improv'd_ (from 295
to 302.)

_The fortieth_ Experiment, _Of the no less Strange than Pleasant changes
made with a Solution of Sublimate_ (from 301 to 306.) _The difference
between a Chymical axd Philosophical Solution of a_ Phænomenon (307, 308.)
_The Authors Chymical Explication of the_ Phænomena, _confirm d by several_